Author Information

Department of Chemistry, University of Alberta, Edmonton, AB, T6G2G2 (Canada)

Email: Prof. Dr. Yunjie Xu (yunjie.xu@ualberta.ca)

*Department of Chemistry, University of Alberta, Edmonton, AB, T6G2G2 (Canada)===

†

This research was funded by the University of Alberta and the Natural Sciences and Engineering Research Council of Canada. Y.X. and W.J. are holders of Canada Research Chairs (Tier I). We thank Prof. H. Mäder for discussions concerning internal rotors and the XIAM program, and Prof. S. E. Novick and Dr. J. R. Cheeseman for nuclear quadrupole coupling constant calculations.